package com.hmdp.utils;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.Map;

public class MyUtils {
        /**
         * 对象转Map
         * @param object
         * @return
         * @throws IllegalAccessException
         */
        public static Map beanToMap(Object object) throws IllegalAccessException {
            Map<String, Object> map = new HashMap<String, Object>();
            Field[] fields = object.getClass().getDeclaredFields();
            for (Field field : fields) {
                field.setAccessible(true);
                map.put(field.getName(), field.get(object));
            }
            return map;
        }

        /**
         * map转对象
         * @param map
         * @param beanClass
         * @param <T>
         * @return
         * @throws Exception
         */
        public static <T> T mapToBean(Map map, Class<T> beanClass) throws Exception {
            T object = beanClass.newInstance();
            Field[] fields = object.getClass().getDeclaredFields();
            for (Field field : fields) {
                int mod = field.getModifiers();
                if (Modifier.isStatic(mod) || Modifier.isFinal(mod)) {
                    continue;
                }
                field.setAccessible(true);
                if (map.containsKey(field.getName())) {
                    field.set(object, map.get(field.getName()));
                }
            }
            return object;
        }
    }



